Angela Nash and Chris Gudgeon will add depth and further skills to the boards, says chair.
Miranda Cook will lead marketing function across Delta Insurance Group, including overseas.
Angela Freiden is taking up the role.
Campbell Featherstone, Silvia McPherson, and Ezekiel Hudspith are all existing senior members of the team.
Distinguished bio-medical science leader, Le Gros was elected this week.
Marten Vos has years of experience in the pharma industry.
Jonathan Manns has relocated from the United Kingdom.
Phil Love is the new deputy CEO and Catherine Beard the director of advocacy.
Many of the appointments are to newly created roles.
Steve Wilson will join as chief claims officer in January. Managing director of the Pacific Paula ter Brake will add chief risk officer to her portfolio.